ADU rules in Birmingham, AL — also called accessory dwelling unit regulations or granny flat ordinances — cover setbacks, owner-occupancy, parking, and permit requirements.
Birmingham allows Accessory Dwelling Units in multiple residential zones. ADUs are typically limited to 800-1,000 sq ft or 40-50% of the primary residence. They must be within an accessory structure with cooking, sleeping, and sanitation facilities.
Birmingham's zoning code permits accessory dwellings in multiple residential zone districts. An accessory dwelling is defined as one or more rooms in an accessory structure forming a single habitable unit with cooking, sleeping, and sanitation facilities for one family. Size limits are generally 800-1,000 sq ft or 40-50% of the primary residence. Building permits are required. ADUs must comply with building and fire codes. The primary dwelling or ADU must typically be owner-occupied.
Unpermitted ADUs must be brought into compliance. Violations of zoning standards result in enforcement action.
Birmingham, AL
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Birmingham, AL
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Birmingham, AL
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Birmingham, AL
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Birmingham, AL
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Birmingham, AL
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Side-by-side rule comparisons with other cities in Jefferson County.
See how other cities in Jefferson County handle adu rules.
See how Birmingham's adu rules rules stack up against other locations.
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